Determinants of cardiorespiratory fitness measured by cardiopulmonary exercise testing in COVID-19 survivors: a systematic review with meta-analysis and meta­regression.

BACKGROUND: The relationship between cardiorespiratory fitness and its possible determinants in post-COVID-19 survivors has not been systematically assessed. OBJECTIVES: To identify and summarize studies comparing cardiorespiratory fitness measured by cardiopulmonary exercise testing in COVID-19 survivors versus non-COVID-19 controls, as well as to determine the influence of potential moderating factors. METHODS: We conducted a systematic search of MEDLINE/PubMed, Cochrane Library, EMBASE, Google Scholar, and SciELO since their inceptions until June 2022. Mean differences (MD), standard mean differences (SMD), and 95% confidence intervals (CI) were calculated. Subgroup and meta-regression analyses were used to evaluate potential moderating factors. RESULTS: 48 studies (3372 participants, mean age 42 years, and with a mean testing time of 4 months post-COVID-19) were included, comprising a total of 1823 COVID-19 survivors and 1549 non-COVID-19 controls. After data pooling, VO2 peak (SMD=1.0 95% CI: 0.5, 1.5; 17 studies; N = 1273) was impaired in COVID-19 survivors. In 15 studies that reported VO2 peak values in mL/min/kg, non-COVID-19 controls had higher peak VO2 values than COVID-19 survivors (MD=6.2, 95% CI: 3.5, 8.8; N = 905; I2=84%). In addition, VO2 peak was associated with age, time post-COVID-19, disease severity, presence of dyspnea, and reduced exercise capacity. CONCLUSION: This systematic review provides evidence that cardiorespiratory fitness may be impaired in COVID-19 survivors, especially for those with severe disease, presence of dyspnea, and reduced exercise capacity. Furthermore, the degree of reduction of VO2 peak is inversely associated with age and time post-COVID.

Comparison of High-Intensity Interval Training to Moderate-Intensity Continuous Training for Functioning and Quality of Life in Survivors of COVID-19 (COVIDEX): Protocol for a Randomized Controlled Trial.

OBJECTIVE: The purpose of this study was to compare high-intensity interval training (HIIT) with moderate-intensity continuous training (MICT) for feasibility, safety, adherence, and short- and long-term efficacy in improving functioning and health-related quality of life in survivors of coronavirus disease 2019 (COVID-19). METHODS: COVIDEX is a two-pronged, parallel-group, randomized controlled trial with an 8-week training intervention. The study participants will be 94 patients aged >18 years, admitted to a specialized post-COVID center. Participants will be randomized to HIIT (4 × 4 minutes of high-intensity work periods at 85% to 90% of peak heart rate) and MICT (47 minutes at 70% to 75% peak heart rate) groups for biweekly sessions for 8 weeks. The participants will undergo 2 phases of supervised training (phases 1 and 2) of 4 weeks each, in a public, specialized, post-COVID center. In phase 1, we will assess and compare the feasibility, acceptability, and short-term efficacy of HIIT and MICT intervention. In phase 2, the long-term efficacy of HIIT and MICT will be assessed and compared regarding function and health-related quality of life. To prevent any expectation bias, all study participants and assessors will be blinded to the study hypotheses. Group allocation will be masked during the analysis. All statistical analyses will be conducted following intention-to-treat principles. IMPACT: This study is the first randomized controlled trial that will compare the feasibility, safety, adherence, and efficacy of the HIIT and MICT intervention programs in this population. The findings will potentially provide important information and assist in clinical decision making on exercise to optimize the benefits of clinical health care in survivors of COVID-19.

A systematic review on physical function, activities of daily living and health-related quality of life in COVID-19 survivors.

OBJECTIVE: To analyze the published studies that investigated the physical function, activities of daily living and health-related quality of life in COVID-19 survivors. DESIGN: Systematic review. METHODS: We searched MEDLINE/PubMed, Scopus, SciELO, and Cochrane Library for studies that evaluated the physical function, activities of daily living and health-related quality of life after COVID-19 from the earliest date available to July 2021. Two independent reviewers screened and selected the studies. The Newcastle Ottawa Scale was used to evaluate methodological quality. RESULTS: We included 35 studies in this systematic review. Of the 35 studies included, 28 were cohort, and 7 cross-sectional studies The studies demonstrated that COVID-19 survivors had reduced levels of physical function, activities of daily living, and health-related quality of life. Furthermore, incomplete recovery of physical function, and performance in activities of daily living were observed 1 to 6 months post-infection. DISCUSSION: Physical disability and reduction in health-related quality of life is a common condition in post-COVID-19 and impairments may persist up to 1 to 6 months. Researchers and clinicians can use these findings to understand the potential disabilities and rehabilitation needs of people recovering from the COVID-19.

Effects of Physical Exercise on Lipid and Inflammatory Profile of Women Using Combined Oral Contraceptive: A Cross-Over Study

Abstract Background: The use of combined oral contraceptives (COC) is a risk factor for atherosclerotic disease, and physical exercise can minimize this condition. Objective: To verify if high intensity interval training (HIIT) promotes changes in the lipid and inflammatory profile of women using COC. Methods: Sequential crossover study with women aged 20-30 years, classified as irregularly active by the international physical activity questionnaire (IPAQ), when using COC. A physical-clinical assessment was performed with anthropometric measurements, VO2max, and analysis of lipid and inflammatory profile. Participants were divided into 2 groups: the initial intervention group (GII), which began practicing HIIT for 2 months, and the posterior intervention group (GIP), which remained inactive for the same period. The GII and GIP would then alternate their conditions. The collected data was divided into: Initial moment (IM), post-exercise moment (PEM) and post-inactivity (PIM). The statistical analyses were performed using the Statistical Package for the Social Sciences, adopting a significance level of p <0.05 . Results: Twelve women were evaluated. After crossing the GII and GIP data, there was a difference in the C-reactive protein values between the IM of 4 (1.6-6.3 mg/dL) vs. PEM 2 (1.5-5 mg/dL); as well as between the PEM vs. the PIM= 4 (1.5-5.8 mg/dL), with a p -value = 0.04 in the comparisons. There was no change between the "moments" of the lipid profile, although it was possible to notice a reduction in resting HR and an increase in indirect VO2max. Conclusion: The HIIT program was able to reduce the inflammatory profile, but it did not alter the lipid profile of irregularly active women using COC.

Efeitos do exercício físico sobre o perfil lipídico e inflamatório de mulheres jovens em uso de contraceptivo oral combinado: protocolo de um estudo sequencial cruzado / Effects of physical exercise on the lipid and inflammatory profile of young women using combined oral contraceptives: protocol of a crosssectional study

INTRODUÇÃO: O uso de contraceptivos orais combinados (COC) trata-se de um fator de risco para a doença aterosclerótica por comprometer o perfil lipídico e inflamatório, podendo o exercício físico minimizar essas condições. OBJETIVO: Testar a hipótese de que exercício físico pode modificar o perfil lipídico e inflamatório de mulheres em uso COC. MÉTODOS: Protocolo de um estudo sequencial cruzado com mulheres de 20 e 30 anos, irregularmente ativas, em uso de COC há pelo menos 6 meses. Realizouse uma avaliação físico-clínica (AFC) nas participantes com medidas antropométricas, VO2máx. indireto e análise do perfil lipídico e inflamatório. Na sequência separou-se as participantes em 2 grupos: O grupo intervenção inicial (GII) que iniciou praticando exercícios intervalados de alta intensidade por 2 meses, e o grupo intervenção posterior (GIP), que seguiu irregularmente ativo pelo mesmo período. Em seguida o GII e o GIP alternariam suas condições por mais 2 meses, totalizando 4 meses de acompanhamento e 3 AFC, realizadas no início, após 2 meses e ao final do estudo. As informações colhidas foram divididas em 3 momentos: Momento inicial (MI), momento pós exercício (MPE) e pós inatividade (MPI).

INTRODUCTION: The use of combined oral contraceptives (COC) is a risk factor for atherosclerotic disease because it compromises the lipid and inflammatory profile, and physical exercise can minimize these conditions. OBJECTIVE: To test the hypothesis that high intensity interval physical exercise promotes changes in the lipid and inflammatory profile of women who are irregularly active using COC. METHODS: Protocol of a crosssectional study with women of 20 and 30 years, irregularly active, using COC for at least 6 months. A physicalclinical assessment (AFC) was performed on the participants with anthropometric measurements, VO2max. analysis and analysis of the lipid and inflammatory profile. Afterwards, the participants were divided into 2 groups: the initial intervention group (GII) that started practicing high intensity interval exercises for 2 months, and the posterior intervention group (GIP), which remained irregularly active for the same period. Then the GII and GIP would alternate their conditions for another 2 months, totaling 4 months of follow-up and 3 AFC, performed at the beginning, after 2 months and at the end of the study. The information collected was divided into 3 moments: Initial moment (MI), post-exercise moment (MPE) and post-inactivity (MPI).

Segurança e aplicação da plataforma vibratória em pacientes hospitalizados: uma revisão sistemática / Safety and application of the vibratory platform in hospitalized patients: a systematic review

Um curto período de hospitalização, se acompanhado de imobilidade, pode ser capaz de promover declínio das funções musculoesqueléticas, gerando impacto negativo na funcionalidade e qualidade de vida. Com isso, tem-se tornado cada vez mais comum a adoção de estratégias terapêuticas como o uso da plataforma vibratória (PV). OBJETIVO: Sistematizar evidências sobre a funcionalidade e a segurança da aplicação da PV em pacientes adultos hospitalizados. MÉTODOS: Revisão sistemática, registrada na PROSPERO com código CRD42019119672. Desenvolvida nas bases: LILACS, SciELO, MedLine/PubMed, EBSCOhost e PEDro. Descritores e palavras-chave: "Whole body vibration", "Intensive Care Units", "hospitalization", "muscle strenght", e "functional capacity". Incluídos estudos que analisaram os efeitos e a segurança da aplicação da PV em pacientes adultos hospitalizados. A qualidade metodológica foi avaliada através da escala Downs and Black. RESULTADOS: Incluídos 2 estudos, um ensaio clínico randomizado e outro estudo de intervenção controlado. A amostra variou entre 24 e 40 sujeitos, de ambos os sexos, média de idade 52±4 anos, com diagnóstico de DPOC e condições variadas. Houve uma melhora na distância percorrida no teste de caminhada de seis minutos e diminuição no tempo do teste de sentar e levantar, aumento dos níveis de irisina e melhora na qualidade de vida, em relação aos parâmetros dos sinais vitais não teve alterações significativas. O escore metodológico foi em média 16. CONCLUSÃO: Os resultados indicam que a PV parece ser viável e segura, podendo trazer efeitos favoráveis na funcionalidade para o tratamento em pacientes adultos hospitalizados, sendo uma alternativa para a reabilitação de forma precoce.

A short period of hospitalization, if accompanied by immobility, may be able to promote a decline in musculoskeletal functions, generating a negative impact on functionality and quality of life. As a result, the adoption of therapeutic strategies such as the use of the vibrating platform (PV) has become increasingly common. OBJECTIVE: To systematize evidence on the functionality and safety of the application of PV in hospitalized adult patients. METHODS: Systematic review, registered at PROSPERO with code CRD42019119672. Developed in the bases: LILACS, SciELO, MedLine / PubMed, EBSCOhost and PEDro. Keywords and keywords: "Whole body vibration", "Intensive Care Units", "hospitalization", "muscle strength", and "functional capacity". Included studies that analyzed the effects and safety of the application of PV in hospitalized adult patients. Methodological quality was assessed using the Downs and Black scale. RESULTS: Included 2 studies, a randomized clinical trial and another controlled intervention study. The sample varied between 24 and 40 subjects, of both sexes, mean age 52 ± 4 years, with a diagnosis of COPD and varied conditions. There was an improvement in the distance covered in the six-minute walk test and a decrease in the time of the sit and stand test, an increase in irisin levels and an improvement in quality of life, in relation to the vital signs parameters, there was no significant change. The methodological score was on average 16. CONCLUSION: The results indicate that PV seems to be viable and safe, and may have favorable effects on functionality for treatment in hospitalized adult patients, being an alternative for early rehabilitation.

Evidências científicas sobre Fisioterapia e funcionalidade em pacientes com COVID-19 adulto e pediátrico / Evidence-based Physiotherapy and Functionality in adult and pediatric patients with COVID-19

Introdução: O corona vírus (2019-nCoV OU HCOV-19 ou CoV2), emergiu na China como a principal causa de pneumonia viral (COVID-19, Doença do Coronavírus 19). Objetivo: Avaliar evidências científicas sobre Fisioterapia e Funcionalidade em pacientes com COVID-19 adulto e pediátrico. Métodos: Trata-se de uma revisão de literatura do tipo integrativa utilizando a bases de dados do MedLine/PubMed, bioblioteca da Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS) e Physiotherapy Evidence Database (PEDRo).Resultados:Os pacientes com COVID-19 apresentam sinais de deficiência respiratória com hipoxemia, com baixo impacto em crianças estas evoluem sem sintomas ou com quadro de baixa gravidade. além de observar impacto na restrição da participação. a fisioterapia atua na oxigenioterapia e ventilação dos pacientes.Conclusão: A COVID-19 causa alterações na função pulmonar com formação de deficiência respiratória hipoxêmica e de complacência, com repercussões cardiovasculares que leva a necessidade da fisioterapia no desfecho desta pandemia, seja por meio da oxigenioterapia e/ou do suporte ventilatório (invasivo e não-invasivo).(AU)

Introduction: The corona virus (2019-nCoV OR HCOV-19 or CoV2), has emerged in China as the main cause of viral pneumonia (COVID-19, Coronavirus Disease-19). Aim: To provide evidence-based Physiotherapy and functionality in patients with adult and pediatric COVID-19. Methods: This is an integrative literature review using the MedLine / PubMed databases, library of Latin American and Caribbean Literature in Health Sciences (LILACS) and Physiotherapy Evidence Database (PEDRo). Results: Part of the patients with covid 19 show signs of respiratory deficiency with hypoxemia, with low severity in children. Impaired functionality is also expected. Conclusion: COVID-19 causes low pulmonary compliance and important changes in lung function with hypoxemia and cardiovascular repercussions. These changes lead to the need for Physiotherapy and the management of oxygen therapy and ventilatory support (invasive and non-invasive) for these patients.

Exercício físico e redução da lipemia pós-prandial: a influência do gasto calórico / Physical exercise and reduction of postprandial lipemia: the influence of caloric expenditure

INTRODUÇÃO: Embora o efeito redutor de uma única sessão de exercício físico (EF) sobre a lipemia pós-prandial (LPP) seja controverso, estudos apontam que o gasto calórico é o principal determinante de redução da LPP. OBJETIVO: Testar a hipótese de que uma sessão de EF, baseado no gasto calórico modifica a LPP. MÉTODOS: Estudo de intervenção prospectivo controlado, tendo como população 18 homens com idade média de 22±1,3 anos e IMC de 21±4,2kg/m². Todos eram estudantes irregularmente ativos, com valores de triglicerídeos (TG) de jejum menor ou igual a 150mg/dl. Foram submetidos a dois testes de LPP: Basal (LPPB) e Exercício (LPPE). Amostras sanguíneas foram coletadas nos tempos 0(jejum) e após a ingestão de um composto lipídico (25g) em 180 e 240 minutos para a dosagem dos TG. No teste da LPPE foi aplicado logo após a coleta de 120 minutos, uma sessão de EF em esteira ergométrica alcançando um gasto energético de 500kcal. ESTATÍSTICA: Foram comparadas as medianas da variação (delta) entre os valores dos TG dosados entre o jejum e 120min (∆1), jejum e 240min (∆2) e entre 120 e 240min (∆3). Utilizou-se o teste de Wilcoxon bidirecional para comparação dos deltas. RESULTADOS: As medianas dos TG do ∆1 respectivamente para LPPB e LPPE foram de 63 Vs 60 (p=0,95); ∆2 102 Vs 25 (p=0,02) e ∆3 32 Vs -10 (p˂0,01). CONCLUSÃO: Neste estudo, uma sessão de exercício físico baseado no gasto calórico de 500kcal, após a ingestão lipídica, reduziu o pico da LPP em jovens sadios. [AU]

INTRODUCTION: Although the reductive effect of a single physical exercise (PE) session on postprandial lipemia (PPL) is controversial, studies indicate that caloric expenditure is the main determinant of PPL reduction. OBJECTIVE: Test the hypothesis that a PE session based on caloric expenditure modifies PPL. METHODS: This is a prospective controlled intervention study, including a cohort of 18 men with average age of 22 ± 1.3 years and BMI of 21 ± 4.2 kg/m². All were irregularly active students, with fasting triglyceride (TG) values of less than or equal to 150mg/dL. They were submitted to two PPL tests: Basal (PPLB) and Exercise (PPLE). Blood samples were collected at time 0 (fasting) and after ingestion of a lipid compound (25g) at 180 and 240 minutes for TG dosing. In the PPLE test, a PE session on treadmill was applied shortly after the collection at 120 minutes, achieving an energy expenditure of 500kcal. STATISTICS: The medians of the variation (delta) between the TG values between fasting and 120min (Δ1), fasting and 240min (Δ2) and between 120 and 240min (Δ3) were compared. The bi-directional Wilcoxon test was used to compare deltas. RESULTS: The TG medians of Δ1 respectively for PPLB and PPLE were 63 Vs.60 (p=0.95); Δ2 102 Vs. 25 (p=0.02) and Δ3 32 Vs. -10 (p<0.01). CONCLUSION: In this study, a physical exercise session based on caloric expenditure of 500kcal, after lipid intake, reduced the PPL peak in healthy youngsters. [AU]

Importância da Qualidade da Formação Acadêmica no Tratamento daInsuficiência Venosa Crônica / Importance of Academic Quality in the Treatment of Chronic Venous Insufficiency

Estudos têm demonstrado limitações no conhecimento de acadêmicos e profissionais da saúde sobre diversas condições clínicas. Entretanto, são poucas as investigações na área das ciências cardiovasculares. Objetivo: Identificar e descrever o nível de conhecimento dos formandos em Fisioterapia sobre insuficiênciavenosa crônica (IVC). Métodos: Estudo observacional descritivo e transversal, realizado com formandos do último ano da graduação em Fisioterapia, selecionados aleatoriamente, de seis instituições de ensino superior. Os dados foram obtidos por meio de questionário estruturado autoaplicável, abordando questões sobre a formação acadêmica, aspectos clínicos e intervenções fisioterapêuticas na IVC. Os estudantes foram agrupados em: FSDA - faculdades que não oferecem a disciplina Angiologia; FPNE - faculdades que oferecem a disciplina Angiologia, por professor não especialista; e FPE - faculdades que oferecem a disciplina Angiologia, por professor especialista. Resultados: Foram avaliados 101 graduandos. Destes, apenas 4,9% tinham conhecimento de todas as técnicas emétodos para diagnosticar IVC e 44,0% não citaram o exame clínico como avaliação diagnóstica. Dos 35 alunos dasFPNE, 18 (51,0%) também não assinalaram o exame clínico e 31,0% citaram métodos incorretos de diagnóstico IVC. Dos 19 alunos do grupo FSDA, 74,0% não optaram pela compressão elástica como medida de tratamento. Conclusão: Conclui-se que os graduandos avaliados apresentaram déficit de conhecimento em relação aosprincipais métodos de diagnóstico e tratamentos fisioterapêuticos para a insuficiência venosa crônica...

Studies have shown limitations in the knowledge of academics and health professionals on a variety of clinical conditions. However, there is little research in the field of cardiovascular sciences. Objective: To identify and describe the level of knowledge of Physiotherapy graduates on chronic venous insufficiency (CVI).Methods: Descriptive cross-sectional observational study with graduates in the last year of physiotherapy undergraduate studies randomly selected from six higher education institutions. Data were collected through a self-administered structured questionnaire addressing academic education, clinical aspects and physiotherapy interventions on CVI. The students were grouped into: FSDA - universities where Angiology is not taught; FPNE - universities where a non-specialist professor teaches Angiology; and FPE - universities where a specialist professor teaches Angiology. Results: The evaluation covered 101 graduates. Of these, only 4.9% were familiar with of all the techniques and methods to diagnose CVI and 44.0% did not mention clinical examination as diagnostic evaluation. Of the 35 FPNE students, 18 (51.0%) did not mention clinical examination and 31.0% mentioned incorrect CVI diagnosing methods. Of the 19 FSDA students, 74.0% did not choose elastic compression as a means of treatment.Conclusion: It was concluded that the evaluated graduates presented little knowledge on the main physiotherapy treatments and diagnostic methods for chronic venous insufficiency...

Número de repetições em diferentes porcentagens de carga máxima de exercícios neuromusculares / Number of repetitions in different percentage of maximum load of neuromuscular exercises

Introdução: Os exercícios neuromusculares são componentes essenciais nos programas de reabilitação física e treinamento esportivo, entretanto, ainda existem importantes lacunas sobre a sua prescrição. Objetivo: Verificar se existe diferença no número de Repetições Máximas (RM) de exercícios neuromusculares com diferentes intensidades de Carga Máxima (CM). Métodos: Avaliados 26 jovens, sadios e sedentários, submetidos a um teste de CM e a três testes de RM com 50%, 70% e 90% da CM. Movimentos analisados: Flexão do Cotovelo (FC), Extensão do Cotovelo (EC) e Abdução do Ombro (AO). Resultados: Observou-se diferença na comparação das RM nos movimentos de FC vs. EC e FC vs. AO. Na comparação da RM em cada exercício, verificou-se diferença significante entre as cargas de 50% e 70% e entre 50% e 90%. Conclusão: Existe diferença no número de RM de movimentos resistidos com pesos livres a partir de diferentes intensidades da carga máxima.

Introduction: Neuromuscular exercises are essential components of physical rehabilitation and sports training programs, however, there are still important gaps on your prescription. Objective: To verify if there is difference in the number of maximum repetitions (MR) resistance training with different maximum load intensities (MI). Methods: To assess 26 young, healthy, sedentary, underwent a test to determine the MI and then performed MR tests with 50%, 70% and 90% of MI. Analyzed moves: elbow flexion (EF), elbow extension (EE) and shoulder abduction (SA). Results: There was a significant difference in the comparison of MR in the movements of EF vs. EE and EF vs. SA. Comparing the MR each year, there was significant difference between the loads of 50% and 70% and between 50% and 90%. Conclusion: There is a difference in the MR number of resistance movements with free weights from different intensities of the maximum load.

Efeitos dos exercícios funcionais e neuromusculares no tempo de internação e controle pressórico de pacientes hospitalizados / Effects of functional and neuromuscular exercises in hospitalization time and pressure control of hospitalized patients

INTRODUÇÃO: Exercícios funcionais e neuromusculares são importantes ferramentas em centros de reabilitação, porém são pouco explorados em protocolos hospitalares. OBJETIVO: Verificar se exercícios funcionais e neuromusculares são mais eficazes na redução do tempo de internamento e controle da pressão arterial (PA) dos indivíduos hospitalizados do que a fisioterapia hospitalar de rotina. MÉTODOS: Foram incluídos pacientes hospitalizados por enfermidades não cardiológicas e sem hipertensão arterial sistêmica, sendo estes randomizados para grupo controle (GC), que realizou exercícios respiratórios, exercícios ativo-livres para membros superiores/ inferiores e caminhada no corredor, ou grupo de reabilitação funcional (GRF), submetido a exercícios neuromusculares para membros superiores/inferiores, cicloergômetro e treino de subir/descer degraus. Ambos os grupos receberam intervenção 2x/dia. A PA foi aferida na admissão, durante o internamento e na alta hospitalar. O tratamento estatístico foi realizado adotando-se intervalo de confiança de 95% e nível de significância de 5%. RESULTADOS: Avaliados 42 voluntários, dos quais 26 atenderam aos critérios de elegibilidade. Porém, seis foram excluídos, quatro por permanência hospitalar inferior a três dias e dois por não completarem o protocolo de tratamento. A média de idade no GC foi de 72±11 versus 73±8 no GRF. Não houve diferenças estatísticas da PA na admissão. Evidenciou-se redução da PA apenas no GRF durante o internamento (p<0,01), assim como na alta hospitalar (p<0,01). O GC apresentou maior tempo (dias) de internação 7,2±1,8 versus 5,5±1,3 do GRF (p<0,05). CONCLUSÃO: Exercícios funcionais e neuromusculares parecem mais eficazes na redução do tempo de internamento e controle da PA dos indivíduos hospitalizados do que a fisioterapia hospitalar de rotina.

INTRODUCTION: Functional and neuromuscular exercises are important tools in rehabilitation centers, however they are little explored in hospital protocols. OBJECTIVE: To determine whether functional and neuromuscular exercises are more effective in reducing hospital stay and controlling blood pressure (BP) of hospitalized individuals than routine hospital physiotherapy. METHODS: Hospitalized patients for non-cardiac illnesses and without hypertension were included, which were randomized to the control group (CG), who performed breathing exercises, active-free exercises for upper/lower limbs and walk in the hallway, or to functional rehabilitation group (FRG), which underwent neuromuscular exercises for upper/lower limbs, cycle ergometer and up/down stairs training. Both groups received intervention 2x/day. BP was measured at admission, during hospitalization and at discharge. Statistical analysis was performed by adopting a confidence interval of 95% and a 5% significance level. RESULTS: Forty-two volunteers were evaluated, of which 26 met the eligibility criteria. However, six were excluded, four due to hospital stay less than three days and two for not completing the treatment protocol. The average age in the CG was 72±11 versus 73±8 in the FRG. There were no statistical differences in BP levels at admission. There was a reduction in the BP only in the FRG during hospitalization (p<0.01) and at discharge (p<0.01). The CG presented longer time (days) of hospitalization - 7.2±1.8 versus 5.5±1.3 of the FRG (p<0.05). CONCLUSION: Functional and neuromuscular exercises seem more effective in reducing the length of hospital stay and blood pressure control, of hospitalized individuals that routine hospital physiotherapy.

Comportamento da lactacemia pós-exercício contínuo e intervalado em indivíduos com cardiomiopatia chagásica sintomáticos e assintomáticos / Lactate behavior post-exercise in individuals with Chagas' heart

Avaliar o comportamento do lactato sanguíneo pós-exercício aeróbico contínuo (EAC) e pós-exercício resistido intervalado (ERI). Estudo analítico tipo cross-over, do qual participaram voluntários com doença de Chagas crônica divididos em dois grupos, grupo sintomático (GS), com seis voluntários, e grupo assintomático (GA) com oito voluntários. Os sujeitos foram submetidos a um teste cardiopulmonar em esteira ergométrica para determinar o limiar de anaerobiose (LA) e o VO² pico, e 24 horas depois a um teste de carga máxima (CM). Decorridos sete dias, os voluntários participaram de uma sessão de EAC e, sete dias posteriormente, a uma sessão de ERI. O EAC foi realizado em esteira ergométrica durante 20 minutos (min), sendo 10 min a 40% de VO² pico, 7 min no LA e a mais 3 min em intensidade decrescente. O ERI teve duração aproximada de 20 min e foi realizado com pesos livres a 30% da CM em duas séries de quatro movimentos. Foram coletados amostras sanguíneas para dosagem da lactacemia nos tempos 0 (repouso), 5 e 10 min após as sessões de EAC e ERI. O GA apresentou maior variação do lactato em relação ao repouso (p=0,05) no ERI ao final dos 10 min de atividade quando comparado ao GS, tendo esse último apresentado maior variação do lactato no EAC, sem diferença significativa. O ERI parece ser mais confortável e seguro que o EAC quando aplicado em indivíduos chagásicos sintomáticos. Já para indivíduos assintomáticos, parece ser indiferente o emprego do EAC ou do ERI.

To evaluate blood lactate post continuous aerobic exercise (CAE) and post resistance exercise interval (REI). Analytical study crossover which involved volunteers with chronic Chagas disease divided into two groups, the symptomatic group (SG) with six volunteers and asymptomatic group (AG) with eight volunteers. First, the subjects underwent cardiopulmonar exercise testing on a treadmill to determine the anaerobic threshold (AT) and VO² peak, and 24 hours after a maximum load test (ML). After seven days, the volunteers underwent a session of CAE and seven days later at a session of REI. The CAE was performed on a treadmill for 20 min, 10 min and 40% of VO² peak, 7 min in LA and decreasing in intensity over 3 min. The REI lasted approximately 20 minutes and was carried out with free weights to 30% of ML in two series of four movements. Blood samples were collected to determine lacticemia at 0 (rest), 5 and 10 min after the sessions of CAE and REI. The AG varied more lactate in relation to rest (p=0.05) in the REI at the end of 10 minutes of activity compared to SG, the later presented a greater variation of lactate in the CAE, without significant difference. The REI appears to be more comfortable and secure than CAE when applied to symptomatic chagasic individuals. Whereas asymptomatic individuals seem to be indiferent to the use of the CAE or the REI.